Train of rolls

Train \Train\, n. [F. train, OF. tra["i]n, trahin; cf. (for some
   of the senses) F. traine. See {Train}, v.]
   1. That which draws along; especially, persuasion, artifice,
      or enticement; allurement. [Obs.] "Now to my charms, and
      to my wily trains." --Milton.
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   2. Hence, something tied to a lure to entice a hawk; also, a
      trap for an animal; a snare. --Halliwell.
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            With cunning trains him to entrap un wares.
                                                  --Spenser.
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   3. That which is drawn along in the rear of, or after,
      something; that which is in the hinder part or rear.
      Specifically : 
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      (a) That part of a gown which trails behind the wearer.
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      (b) (Mil.) The after part of a gun carriage; the trail.
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      (c) The tail of a bird. "The train steers their flights,
          and turns their bodies, like the rudder of ship."
          --Ray.
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   4. A number of followers; a body of attendants; a retinue; a
      suite.
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            The king's daughter with a lovely train. --Addison.
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            My train are men of choice and rarest parts. --Shak.
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   5. A consecution or succession of connected things; a series.
      "A train of happy sentiments." --I. Watts.
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            The train of ills our love would draw behind it.
                                                  --Addison.
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            Rivers now
            Stream and perpetual draw their humid train.
                                                  --Milton.
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            Other truths require a train of ideas placed in
            order.                                --Locke.
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   6. Regular method; process; course; order; as, things now in
      a train for settlement.
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            If things were once in this train, . . . our duty
            would take root in our nature.        --Swift.
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   7. The number of beats of a watch in any certain time.
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   8. A line of gunpowder laid to lead fire to a charge, mine,
      or the like.
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   9. A connected line of cars or carriages on a railroad; --
      called also {railroad train}.
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   10. A heavy, long sleigh used in Canada for the
       transportation of merchandise, wood, and the like.
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   11. (Rolling Mill) A roll train; as, a 12-inch train.
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   12. (Mil.) The aggregation of men, animals, and vehicles
       which accompany an army or one of its subdivisions, and
       transport its baggage, ammunition, supplies, and reserve
       materials of all kinds.
       [Webster 1913 Suppl.]

   {Roll train}, or {Train of rolls} (Rolling Mill), a set of
      plain or grooved rolls for rolling metal into various
      forms by a series of consecutive operations.

   {Train mile} (Railroads), a unit employed in estimating
      running expenses, etc., being one of the total number of
      miles run by all the trains of a road, or system of roads,
      as within a given time, or for a given expenditure; --
      called also {mile run}.

   {Train of artillery}, any number of cannon, mortars, etc.,
      with the attendants and carriages which follow them into
      the field. --Campbell (Dict. Mil. Sci.).

   {Train of mechanism}, a series of moving pieces, as wheels
      and pinions, each of which is follower to that which
      drives it, and driver to that which follows it.

   {Train road}, a slight railway for small cars, -- used for
      construction, or in mining.

   {Train tackle} (Naut.), a tackle for running guns in and out.
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   Syn: Cars.

   Usage: {Train}, {Cars}. At one time "train" meaning railroad
          train was also referred to in the U. S. by the phrase
          "the cars". In the 1913 dictionary the usage was
          described thus: "Train is the word universally used in
          England with reference to railroad traveling; as, I
          came in the morning train. In the United States, the
          phrase the cars has been extensively introduced in the
          room of train; as, the cars are late; I came in the
          cars. The English expression is obviously more
          appropriate, and is prevailing more and more among
          Americans, to the exclusion of the cars."
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